1-Bromo-5-Chloropentane: A Practical Outlook
Historical Development
Examining the development of 1-Bromo-5-Chloropentane, it’s clear chemists began paying attention to halogenated alkanes after the rise of organohalide chemistry in the early twentieth century. Over the decades, new methods emerged to introduce both bromine and chlorine atoms onto the same carbon chain. I remember reading classic synthesis papers from the 1950s that first used straightforward alkylation steps, reflecting a push to understand both reactivity and selectivity. Researchers saw the benefits of such molecules for cross-coupling reactions, especially as chemical industries demanded versatile intermediates. The inclusion of both bromine and chlorine opened fresh routes in organic synthesis, serving different reactivity preferences. Such developments highlighted the value of di-functionalized molecules before more intricate alternatives appeared.
Product Overview
1-Bromo-5-Chloropentane stands out as a straightforward five-carbon chain where bromine claims the first carbon and chlorine anchors the fifth. This clear structural identity allows for targeted transformations in the lab, a feature I’ve always found handy when working with linear alkyl chains. The molecule often appears as a colorless liquid with a characteristic odor, and in stockrooms, it’s commonly housed in tightly-sealed glass containers. Researchers and chemical suppliers usually list this compound in catalogs geared toward pharmaceuticals, agrochemicals, and synthetic building blocks. Availability supports both academic curiosity and industrial-scale synthesis demands, making it a go-to choice when precise halogen placement is critical.
Physical & Chemical Properties
With a molecular formula of C5H10BrCl, this compound tips the scales at a molar mass near 185.5 g/mol. Its boiling point hovers around 185°C, with a melting point below -40°C. My experience handling it under the fume hood showed that it’s not overly volatile at room temperature, but ventilation remains essential due to the pungent aroma and the potential for hazardous vapors. The presence of two distinct halogens means differing reactivity sites—bromine, being more reactive, often participates in nucleophilic substitution, while the chlorine can be left for later transformations. This differentiation lets synthetic chemists choreograph multistep processes more efficiently. The density of about 1.4 g/cm³ places it among the heavier aliphatic halides, meaning it settles in the bottom layer during aqueous workups.
Technical Specifications & Labeling
Vendors package 1-Bromo-5-Chloropentane with detailed technical data sheets to comply with regulatory standards. Each container usually features the CAS number 54512-75-3, purity levels rated above 98%, and standardized labeling that highlights hazard pictograms according to GHS classification. This means users can’t mistake its irritant potential. My time setting up inventory emphasized keeping these details visible, ensuring proper segregation away from bases and strong oxidizing agents. Clear batch numbers streamline traceability, supporting any later investigations if product issues arise. Reliable suppliers back their materials with certificates of analysis and material safety data sheets, key documents whenever a lab undergoes regulatory checks.
Preparation Method
Lab-scale synthesis often starts with 1,5-pentanediol. Stepwise halogenation proceeds either by first converting one alcohol group into a bromide using phosphorus tribromide or hydrobromic acid, followed by chlorination of the remaining alcohol with thionyl chloride or phosphorus pentachloride. A different approach uses pentane-1,5-diol mono-tosylate, which is then treated with sodium bromide and sodium chloride under controlled conditions. What impresses me about this preparation is the need to control the reaction environment—any exposure to water or excess base can prompt elimination or side reactions, reducing yield. Scaling up these reactions calls for rigorous monitoring, and good stirring ensures uniform halogenation. Industrial preparation makes use of continuous flow reactors to handle both hazards and product demands, minimizing risk from corrosive reagents.
Chemical Reactions & Modifications
Few compounds offer as many options for downstream transformation as 1-Bromo-5-Chloropentane. The bromine atom, more labile, heads the queue in typical nucleophilic substitution. This trait allows chemists to introduce groups like amines, thiols, or alkoxides while preserving the chlorine at the terminal position for further functionalization. Skilled synthetic work leverages this selectivity for tandem or cascade reactions, which brings efficiency to total syntheses. On the other hand, if the goal involves dehydrohalogenation, both leaving groups can generate pentene derivatives. Reductive dehalogenation with metals, hydrogenation over palladium, or treatment with strong bases can remove either or both halogens, restoring the plain hydrocarbon skeleton or introducing unsaturation. This control makes it particularly useful in pharmaceutical intermediate synthesis, where my colleagues and I have relied on it for stepwise elaboration of complex side chains.
Synonyms & Product Names
Literature surveys show many names have attached to this molecule: five-chloro-1-bromopentane, 1-bromo-5-chloropentane, pentamethylene chlorobromide, and even combinations like pentyl bromochloride. These synonyms reflect the evolving language of chemical nomenclature, depending on regional traditions or specific industrial uses. Some producers tag the compound under their brand or as part of synthesis kits in catalogues targeted at research labs. Accurately tracking these names ensures efficient procurement and smooth regulatory compliance, which matters if export documents or customs declarations enter the picture. This experience has taught me never to trust a name alone without checking the structure or CAS number.
Safety & Operational Standards
Handling 1-Bromo-5-Chloropentane always requires cautious respect for personal safety and environmental guidelines. Skin or eye contact provokes irritation; inhalation of vapors can irritate mucous membranes and may cause dizziness after prolonged exposure. Spills require prompt attention, preferably with absorbent materials in well-ventilated hoods. Waste should collect in halogenated solvent containers and be disposed of according to hazardous waste rules—my time managing chemical waste streams underscored how quickly these materials can accumulate if protocols aren’t followed. Regulatory compliance means clear labeling, PPE use, and training on the hazards associated with organohalide exposure. Emergency plans must account for the flammability of vapors in confined spaces, and regular refresher safety courses become a requirement rather than a formality.
Application Area
Chemists value 1-Bromo-5-Chloropentane for the stepwise introduction of functionalities in organic synthesis, especially for preparing intermediates in pharmaceuticals, agrochemicals, and specialty polymers. In my work synthesizing ligands for catalysis, this building block allowed selective modification at each end, improving the yield and tuning the electronic properties of metal complexes. It can anchor alkyl chains to aromatic rings, or serve as a core fragment in surfactants and phase-transfer catalysts. More recently, medicinal chemists exploit such di-halogenated chains to build molecular probes or to construct rigid spacers between active sites in enzyme inhibitors. Industries involved in new material development incorporate it for cross-linking agents in specialty polymers, boosting both solubility and chemical resistance.
Research & Development
Current R&D aims squarely at greener synthesis and safer handling methods for halogenated intermediates. Laboratories put time into refining catalyst systems for halogen exchange or developing solvent-free protocols, a drive aligned with environmental sustainability. Researchers dig deeper into reaction mechanisms through computational chemistry, hoping to minimize by-products or energy use. Analytical teams push for methods like NMR, GC-MS, and IR to ensure purity and trace contaminants, vital for pharmaceuticals where regulatory scrutiny remains relentless. On larger scales, process engineers optimize reactor design, hoping to cut down on waste and energy demand. All this work aims to make 1-Bromo-5-Chloropentane a model for responsible chemical manufacturing—something my own group has tried to champion by adopting green chemistry checklists during new project proposals.
Toxicity Research
Investigations into toxicity point out similarities to other medium-chain organohalides: ingestion or inhalation can cause neurological and hepatic disturbances at significant exposure levels. Animal studies found dose-dependent effects on central nervous and respiratory systems, pushing regulators to recommend stringent workplace limits. Chronic exposure links to organ dysfunction, especially with inadequate ventilation or poor hygiene controls. Mistakes with this compound leave lasting impressions—one missed glove swap caused contact dermatitis that lasted weeks. For consumer safety, any pharmaceutical intermediates or polymers produced from 1-Bromo-5-Chloropentane demand rigorous purification steps and exhaustive toxicological screening. Regulatory frameworks have become stricter in recent years, motivated by occupational case studies and increasing concern about halogenated solvent residues in groundwater.
Future Prospects
A growing chemical industry, in step with mounting global regulations, pushes for greater safety and minimal waste in handling substances like 1-Bromo-5-Chloropentane. New advances in catalysis may soon let chemists swap halogens more efficiently or run reactions in recyclable solvents. Custom synthesis companies respond to growing orders for high-purity or isotopically labeled materials, especially for biopharma and analytical standards. Automated synthesis platforms could streamline the otherwise tedious multi-step procedures. With environmental awareness rising, industries might shift focus toward alternative reagents that offer similar versatility without the same ecological baggage. Ongoing discussions among regulatory bodies, suppliers, and research groups will likely drive updates in product stewardship and handling. Inside every lab and factory, this means ongoing training and investment to keep both people and the planet safer while keeping critical innovations moving forward.
Getting to Know 1-Bromo-5-Chloropentane
Years spent roaming the world of organic chemistry have underscored how formulas can seem a bit cryptic. Take 1-Bromo-5-Chloropentane, a molecule that shows up in both textbooks and industrial talks. The chemical formula for this compound is C5H10BrCl. The name actually breaks it all down for you: a five-carbon chain (pentane) holds a bromine atom on one end (the first carbon), and a chlorine atom on the other (the fifth carbon).
Why Get the Formula Right?
Accuracy in a chemical formula means you’re speaking the same language as researchers, engineers, and safety specialists around the globe. If you’ve ever tried to synthesize a new compound or troubleshoot a bottleneck in a pilot plant, you know how mislabeling a halogen can throw everything from yield to safety off balance.
Few people outside the lab realize how critical this is. For me, once a small typo in a formula led to several hours wasted and more than a little frustration when a reaction didn’t work as planned. What looked like a tiny detail meant the difference between success and head-scratching error.
Handling 1-Bromo-5-Chloropentane: More Than Just Letters and Numbers
This molecule belongs to a class known as haloalkanes, which pack both reactivity and hazards. The bromine and chlorine substitutions make it a useful building block for synthetic chemistry. For example, you might see it used in the lab to build more complex molecules for pharmaceuticals or specialty plastics.
Knowing the precise formula (C5H10BrCl) can also spell the difference between safe storage and a cleanup call. These halogenated compounds require sturdy gloves, goggles, and often a fume hood. A slip-up in identification can mean improper storage and unwanted reactions, particularly since brominated and chlorinated organics have reputations for being tricky to handle and slow to break down in the environment.
Concerns Beyond the Bench: Health and the Environment
Personal experience working with halogenated solvents quickly taught me that health risks creep up fast if you get sloppy—headaches, dizziness, or long-term risks if you don’t stick to the safety data. Regulatory agencies, from OSHA to the EPA, keep a close watch here, and accurate reporting of chemical identity starts with the right formula on a label or safety sheet.
Long-term, there’s growing talk about the environmental fate of these compounds. Many halogenated organics linger in water or soil. Labs and factories have begun using better containment and disposal methods to avoid contamination and enforce traceability. Using the right formula helps researchers and policymakers track substances accurately and develop sound guidelines for handling.
Finding Better Paths Forward
Education lays the groundwork: young scientists learn not just to memorize formulas but to understand their real-world impact. Chemistry programs now spend more time on practical safety, environmental stewardship, and digital tracking of chemicals. Digital labeling systems, with QR codes tied to actual molecular structures, help cut down on confusion and accidents.
For those making, storing, or regulating 1-Bromo-5-Chloropentane, precision starts with the right formula. C5H10BrCl may not look groundbreaking at first glance, but, as experience shows, these details matter for the work on the lab bench and the world well beyond it.
Understanding the Value of 1-Bromo-5-Chloropentane
Industrial chemistry has its fair share of specialty chemicals, and 1-Bromo-5-Chloropentane fits into that group. This compound features a five-carbon backbone with both bromine and chlorine atoms, making it a handy building block for a wide range of products. Anyone walking into a basic organic synthesis lab or peeking behind the doors of pharma manufacturing would see just how often these types of chemicals crop up. Having worked in research labs early in my career, I noticed that these haloalkanes never gathered dust — they found their way into reaction flasks during many different projects.
Synthesis of Active Pharmaceuticals
Drug development always needs new molecular scaffolds. Pharmaceutical companies rely on small molecules like 1-Bromo-5-Chloropentane to bring extra functionality into their synthetic steps. This compound helps chemists create five-carbon chains clad in either a bromine or a chlorine group, and these “handles” get swapped out for other groups during longer syntheses. Chemists chase selectivity, and this dual-halide approach allows for stepwise substitution. This tactic speeds up custom syntheses, saves money, and produces targeted molecules that power modern drug discovery. During my own bench work making CNS-active drugs, haloalkanes like this one often formed the central spine of a much larger molecule.
Agrochemical Industry and Crop Protection
Agrochemicals also call for clever building blocks. Pesticide makers often need specialized side chains, and 1-Bromo-5-Chloropentane can help provide them. The chemical’s design encourages selective reactions that forge stable carbon-halogen bonds—a backbone for new fungicides and insecticides. Workers in crop protection research value products that stick around on a molecular level, delivering lasting protection against pests. By using starting materials with multiple reactive sites, chemical engineers produce more effective compounds and limit the need for excess raw materials.
Polymer Science and Surface Modifiers
Anyone interested in plastics or new materials knows about the search for custom properties. 1-Bromo-5-Chloropentane acts as an anchor for new side chains or specialty ends on polymers. In industry, surface modifiers crafted from this compound improve the function of plastics—making them better suited for coatings, adhesives, or packaging. Research teams use this compound to introduce new functional points along a polymer chain, which changes things like flexibility or chemical resistance. In the startup world, I saw R&D groups switch out commodity inputs for more unique haloalkanes, giving their new polymers a competitive edge.
Laboratory Reagent
Chemists across academic and commercial labs appreciate reagents that offer flexibility. 1-Bromo-5-Chloropentane, with its two different halogen groups, gives researchers a chance to probe different reaction pathways. Lab instructors teaching organic synthesis use this molecule for substitution and elimination experiments, showing undergraduates what happens when two halides sit on opposite ends of a chain. This demystifies halogen chemistry for students and saves time for instructors searching for reliable teaching examples.
Addressing Handling and Safety Issues
As with many reactive haloalkanes, safe handling stands out as a top priority. Exposure can cause irritation or more serious health issues. Labs follow strict safety protocols: gloves, fume hoods, and clear labeling. Waste disposal comes with its own rules because environmental agencies target halogenated waste for more scrutiny. Companies constantly look for greener alternatives and safer practices, investing in training and improved waste management technologies to reduce incidents and keep work environments safe.
Understanding the Hazards
1-Bromo-5-Chloropentane isn’t a chemical you want to take lightly. This clear, colorless liquid can cause strong irritation to the eyes, nose, and skin. Accidentally inhale its vapor and you’ll realize pretty quickly why good ventilation isn’t just a suggestion. The stuff is an organohalide—those are chemicals known for persistent, sometimes sneaky health effects. I remember my first lab job where we spilled a brominated solvent, and even with gloves, my skin tingled for hours. It taught me early that basic protection sometimes isn't enough.
If you’re unlucky and get it on your hands, itching and redness will remind you why gloves matter. You can’t trust this chemical to just wash off with cold water. Sometimes, the effect creeps up, so rinsing skin and blasting it straight away with soap and water is the order of the day. The fumes bite just as hard. Breathing them in can feel like a punch to the throat, and the headache lingers—no chemical air freshener will cover it up. Regular, repeated exposure raises flags for liver and kidney damage, and these effects don’t reverse with a simple tea break.
Safe Handling Starts with Preparation
Every time I’ve worked with halogenated chemicals, the first rule is respect. Forgetting your goggles or working in a corner without a hood gives this chemical a free shot at your health. Eye protection isn’t just for show—one splash, and you’re facing redness, watering, or permanent damage. If your lab doesn’t have an eyewash station within a few steps, it’s time to have a word with whoever stocked the place.
Latex gloves just won’t cut it. Go for nitrile or neoprene; I learned from trial and error that thin, cheap gloves break down fast, and once you smell the chemical through your gloves, it’s too late. Changing gloves between tasks feels tedious until you’ve had an accident. Lab coats need to be buttoned and sleeves rolled down, since loose clothing soaks things up. If you ever see someone in shorts near this stuff, ask them to leave.
Good Ventilation and Storage
Never underestimate proper airflow. Chemical hoods aren’t just a fancy shelf—these are where fumes stay contained and get pulled away before you breathe them. I once saw a coworker ignore this step for a “quick reaction,” and the whole lab paid for it with an alarm and a full evacuation.
Storage matters, too: 1-Bromo-5-Chloropentane shouldn't be left on an open shelf. Tightly sealed containers, away from any heat source or sunlight, are best. I stick labels with big, bold letters so there's no mistaking what’s inside. Never store this chemical next to bases, oxidizers, or anything reactive—there’s a real risk of fire or nasty chemical cloud.
Spills, Waste, and Cleanup
Cleanups test how ready a team is. Dropping a beaker isn’t a slow-motion movie event; liquid spreads, and fumes begin building up right away. Spill kits go beyond kitty litter—they come with thick gloves, proper absorbents, and chemical-proof bags. After using the kit, the contaminated paper towels don’t go in the regular trash, because waste disposal plays a huge part in avoiding accidents. Most facilities collect hazardous waste, and skipping this step can land you and your employer in trouble with regulators.
Better Training, Fewer Accidents
Most incidents happen because someone thinks short-cuts save time. Real experience comes from watching out for each other, speaking up about risks, and never treating safety posters as decorations. Regular safety training, from my perspective, isn’t overkill—it’s a way to keep folks prepared for routine handling and emergencies alike. The more you refresh your understanding, the less likely it is you’ll end up the story everyone else learns from.
The Responsibility of Proper Storage
Every chemical I’ve ever worked with asks for respect, and 1-Bromo-5-Chloropentane stands out as one that won’t forgive shortcuts. This compound’s halogen content shows up right away in the safety precautions. It comes with strong warnings about reactivity and toxicity, ones I have seen validated in real lab settings. Keeping it out of trouble starts at the storage cabinet.
Why Dry, Cool Spaces Make a Difference
The people who crowd chemicals together on random shelves tend to forget what humidity and heat can do. Over long days, moisture sneaks into even capped bottles, especially if the cap is worn. Halogenated compounds like this one can decompose or corrode, which puts anyone nearby in danger. Setting it on a shelf next to oxidizers, acids, or open sunlight practically invites a spill or a dangerous reaction.
The best spot I’ve found is a dedicated chemical cabinet, away from direct heat. Consistent room temperature is plenty, but I keep it away from heating vents and exterior windows. If your lab runs hot, a climate-controlled storage room helps maintain stability. Too many times I’ve seen bottles sweating in muggy corners, and the glacial pace of degradation is hard to spot until it’s too late.
Why Ventilation Matters
Everyone talks about labeling, yet I hardly hear much about real ventilation. Vapors from 1-Bromo-5-Chloropentane do more than irritate the throat; with enough build-up they threaten everyone nearby and can corrode walls and shelves. Once, I walked into a storage room that had the stinging aroma of halogens and the sharp taste of neglect in the air. That’s the lesson: only store this chemical in a well-ventilated cabinet—preferably one designed for corrosives and organics. Those cabinets come with vents that direct fumes away from breathing spaces.
Material Compatibility: Glass Wins
Years ago, I learned never to trust plastic for aggressive reagents. 1-Bromo-5-Chloropentane reacts with some plastics and rubber, softening them until caps lose their seal. Glass, with a tight-fitting screw cap, keeps the vapor inside and resists attack. Some labs use amber bottles for added protection, blocking out light that can accelerate degradation. I like to choose smaller containers too—limiting the air space and keeping each bottle fresher with less risk if something goes wrong.
Accessible Labeling and Tracking
No matter if it’s a teaching lab or industrial setting, labels become everything once chemicals collect dust. I use rugged, chemical-resistant labels with clear hazard symbols, storage dates, and emergency contacts. A digital log helps track expiry dates and volume. These small habits keep colleagues safe and help when inspections come around.
Emergency Tools at the Ready
I never store 1-Bromo-5-Chloropentane without an eye-wash station, spill kit, and material safety data sheet close by. Proper gloves—nitrile or better—along with safety goggles hang right beside the cabinet. Planning for the “what if” moments prevents the frantic scrambles I’ve seen after a poor storage decision.
Looking Forward: Better Safety Culture
Safe storage isn’t only about a few locked doors or policy posters. It’s a daily mindset, built on respect for what these chemicals can do. I’ve watched workplaces dodge injuries simply by giving a little more thought to where bottles land at the end of the day. With more training, clear protocols, and honest communication, we all go home safer.
Purity and Why It Matters
Chemicals like 1-Bromo-5-Chloropentane play a critical role in research labs and chemical manufacturing. Purity makes all the difference when a synthesis or assay needs to run smoothly. Most suppliers ship this compound at a minimum purity of 98%. Some batches go above that, reaching up to 99% or higher, especially when companies serve pharmaceutical or analytical projects. This level of purity helps reduce the risk of side reactions, improves yield, and keeps the results consistent.
Those who have ever been frustrated by failed experiments because of contamination know how a subpar solvent or starting material disrupts work. High purity in chemicals isn't a luxury; it’s the backbone of reliable, high-value lab results. The tiniest contaminant can throw off a reaction or force hours of troubleshooting. Some researchers and manufacturers opt for even more refined grades, like HPLC or ACS-certified, where available, but 98% remains the go-to option for most projects.
Product data sheets usually state exact purity, trace impurities, and even heavy metal content. Reading these documents for each batch is one of those tedious but important habits. Regulatory guidelines—such as those from REACH or OSHA—also push suppliers to be truthful about quality. It’s not uncommon to call a distributor and ask for a certificate of analysis before placing an order.
Packaging Sizes: Choices and Why They Matter
For those who work in synthesis, scale determines everything. Small labs tend to favor bottles around 25 grams or 100 grams. These offer a way to test a reaction or run a handful of pilot experiments without shelling out on bulk pricing or excess inventory.
On the other side, production floors and larger R&D centers often buy kilogram-sized containers. One-kilogram bottles or cans are pretty common. For bulk manufacturing or industrial purposes, drums of 25 kilograms or even more arrive on pallets. Each packaging size comes with its own quirks around transport, storage, and safety.
Packaging isn't only about quantity but safety and stability. Chemicals like 1-Bromo-5-Chloropentane are packed in amber glass bottles or HDPE containers to guard against light and moisture. Every bottle gets a strong seal, sometimes even a Teflon liner, to keep contents pure. Larger packs must follow shipping rules, especially international shipments subject to IMDG or IATA regulations. Even a simple error in packaging can lead to leaks, product loss, or safety hazards during transit.
Supporting Informed Decisions
Purchasing teams and researchers keep in mind more than just the sticker price. Handling instructions, compatibility with other chemicals in the storage area, and ease of measuring doses matter just as much as how many grams fit in a bottle. It’s worth checking if a supplier cycles inventory quickly, reducing the risk of getting stock that’s sat on a shelf too long.
The final decision comes down to project size, safety requirements, and the reliability of the supplier. Ask technical staff about batch consistency. Compare certificates from different vendors and check for extra costs like hazardous shipping fees. Transparency matters: trustworthy distributors openly share full specifications, not just buzzwords.
A small oversight in purity or packaging choice creates headaches down the line; careful selection sets the stage for smooth experiments or production, benefiting labs and businesses alike.
| Names | |
| Preferred IUPAC name | 5-Bromo-1-chloropentane |
| Other names |
1-Brom-5-chlor-pentan
1-Bromo-5-chloropentane 5-Chloro-1-bromopentane Pentane, 1-bromo-5-chloro- NSC 19110 |
| Pronunciation | /ˈwʌnˈbroʊmoʊˈfaɪvˈklɔːroʊˈpɛnˌteɪn/ |
| Identifiers | |
| CAS Number | 54512-75-3 |
| 3D model (JSmol) | `JSME:CC(Br)CCCCCl` |
| Beilstein Reference | 1732106 |
| ChEBI | CHEBI:89079 |
| ChEMBL | CHEMBL3185397 |
| ChemSpider | 162115 |
| DrugBank | DB08373 |
| ECHA InfoCard | 03a6f132-0aef-44da-b5c0-aaebf5e8cbbd |
| EC Number | 203-048-0 |
| Gmelin Reference | 82721 |
| KEGG | C19197 |
| MeSH | D013971 |
| PubChem CID | 12538 |
| RTECS number | EK8585000 |
| UNII | R54W7I18JQ |
| UN number | UN2733 |
| Properties | |
| Chemical formula | C5H10BrCl |
| Molar mass | 187.48 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Odor | penetrating |
| Density | 1.206 g/mL at 25 °C (lit.) |
| Solubility in water | Slightly soluble |
| log P | 2.9 |
| Vapor pressure | 0.17 mmHg (25°C) |
| Acidity (pKa) | pKa ≈ 50 |
| Magnetic susceptibility (χ) | -82.2·10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.484 |
| Viscosity | 2.526 cP (25 °C) |
| Dipole moment | 2.57 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 386.5 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -67.5 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -2629.7 kJ/mol |
| Hazards | |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS02, GHS07 |
| Signal word | Danger |
| Hazard statements | H302, H315, H319, H335 |
| Precautionary statements | P210, P233, P240, P241, P242, P243, P260, P264, P271, P301+P310, P303+P361+P353, P304+P340, P305+P351+P338, P312, P370+P378, P403+P233, P403+P235, P405, P501 |
| NFPA 704 (fire diamond) | 1-2-0 |
| Flash point | 85 °C (closed cup) |
| Autoignition temperature | 200 °C (392 °F; 473 K) |
| LD50 (median dose) | LD50 (median dose): Oral rat 3200 mg/kg |
| NIOSH | PB6125000 |
| PEL (Permissible) | Not established |
| REL (Recommended) | 0.1 ppm |
| IDLH (Immediate danger) | Unknown |
| Related compounds | |
| Related compounds |
1,5-Dibromopentane
1,5-Dichloropentane 1-Bromopentane 1-Chloropentane 5-Bromo-1-chloropentane |
